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    • 3. 发明申请
    • AUTOSTEREOSCOPIC DISPLAY DEVICE
    • 自动显示设备
    • US20110164036A1
    • 2011-07-07
    • US12997885
    • 2009-06-26
    • Siebe Tjerk De ZwartOscar Hendrikus WillemsenMartin Gerard Hendrik HiddinkRobert-Paul Mario BerrettyMarcellinus Petrus Carolus Michael Krijn
    • Siebe Tjerk De ZwartOscar Hendrikus WillemsenMartin Gerard Hendrik HiddinkRobert-Paul Mario BerrettyMarcellinus Petrus Carolus Michael Krijn
    • G06T15/00
    • G02B27/2214H04N13/305H04N13/31
    • An autostereoscopic display device comprising a view forming module in registration with an image forming means. The image forming means has an orthogonal array of display pixels spatially defined by an opaque matrix. The view forming module provides at least two optical functions, namely a view forming function and a brightness non-uniformity reducing function. The view forming function modifies the direction of outputs of the display pixels such that the outputs of groups of the display pixels are projected in respective different directions as a plurality of views. The view forming function is provided by an array of parallel lenticular lenses arranged across the view forming module and having a first pitch. The brightness non-uniformity reducing function spreads the outputs of the display pixels such that brightness non-uniformities caused by imaging of the opaque matrix are reduced. The brightness non-uniformity reducing function defines a second pitch across the view forming module less than the first pitch, and further defines an effective spreading angle in a plane perpendicular to axes of the view forming elements substantially equal to or less than the angle between adjacent views projected by the view forming function. The brightness non-uniformity reducing function is provided by an array of lenses or a diffuser. In the case of an array of lenses, these lenses may be integrated with the lenticular lenses providing the view forming function in the form of lenses having a polygonal cross section.
    • 一种自动立体显示装置,包括与图像形成装置对准的视图形成模块。 图像形成装置具有由不透明矩阵空间限定的显示像素的正交阵列。 视图形成模块提供至少两个光学功能,即视图形成功能和亮度不均匀性降低功能。 视图形成功能将显示像素的输出的方向修改为使得显示像素的组的输出在各个不同的方向上投影为多个视图。 视图形成功能由平行双凸透镜阵列提供,横列于视图形成模块并具有第一间距。 亮度不均匀性降低功能扩大显示像素的输出,使得由不透明矩阵的成像引起的亮度不均匀性降低。 亮度不均匀性减小功能限定视野形成模块的第二间距小于第一间距,并且还在垂直于视图形成元件的轴线的平面中限定有效扩展角度,该平面基本上等于或小于相邻 由视图形成功能投影的视图。 亮度不均匀性降低功能由透镜阵列或扩散器提供。 在透镜阵列的情况下,这些透镜可以与提供具有多边形横截面的透镜形式的视角形成功能的双凸透镜一体化。
    • 7. 发明申请
    • AUTO-STEREOSCOPIC DISPLAY DEVICE
    • 自动立体显示装置
    • US20100259819A1
    • 2010-10-14
    • US12680228
    • 2008-09-30
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus WillemsenMichel Cornelis Josephus Marie VissenbergThomas Caspar KraanMarc Joseph Rita Op De BeeckRemco Theodorus Johannes Muijs
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus WillemsenMichel Cornelis Josephus Marie VissenbergThomas Caspar KraanMarc Joseph Rita Op De BeeckRemco Theodorus Johannes Muijs
    • G02B27/26
    • H04N13/312G02B27/2242G02B27/2285G02B27/26H04N13/305H04N13/351
    • An auto-stereoscopic display device which addresses the problem of how to provide an improved three dimensional effect without degrading the resolution of the views. The auto-stereoscopic display device comprises: image forming means having an array of display pixels for producing a display; view forming means positioned in registration with the image forming means and having an array of view forming elements, the view forming elements each being configurable to focus the outputs of groups of the display pixels into a plurality of views projected towards a user in different directions; and view deflecting means positioned in registration with the view forming means, the view deflecting means being arranged to selectably change the directions in which the plurality of views are projected towards the user. The view deflecting means comprise at least one birefringent prism having a first refractive index for light having a first polarization direction and a second refractive index for light having a second polarization direction. The view deflecting means further comprise a polarization switch in registration with the birefringent prism for providing the birefringent prism with display light having the first or second polarization direction. Specific arrangements of the image forming means, the view forming means and the view deflection means provide an even distribution of pixels and virtual pixels associated with the deflected views
    • 一种解决如何提供改进的三维效果而不降低视图分辨率的问题的自动立体显示装置。 自动立体显示装置包括:具有用于产生显示的显示像素阵列的图像形成装置; 视图形成装置定位成与图像形成装置对准并且具有视图形成元件的阵列,所述视图形成元件各自可配置为将显示像素的组的输出聚焦成朝向用户在不同方向上投影的多个视图; 并且将视角偏转装置设置成与视图形成装置对准,视图偏转装置被布置成可选地改变多个视图朝向使用者投射的方向。 视角偏转装置包括至少一个双折射棱镜,其具有用于具有第一偏振方向的光的第一折射率和具有第二偏振方向的光的第二折射率。 视角偏转装置还包括与双折射棱镜对准的偏振开关,用于为双折射棱镜提供具有第一或第二偏振方向的显示光。 图像形成装置,视图形成装置和视图偏转装置的具体布置提供与偏转视图相关联的像素和虚拟像素的均匀分布
    • 8. 发明授权
    • Autostereoscopic display device
    • 自动立体显示装置
    • US08704884B2
    • 2014-04-22
    • US12097776
    • 2006-11-28
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus Willemsen
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus Willemsen
    • H04N13/00
    • H04N13/398H04N13/305H04N13/359H04N13/361
    • A switchable autostereoscopic display device comprising: a display panel having an array of display pixels for producing a display, the display pixels being arranged in rows and columns; an array of lens elements arranged over the display panel for directing the light output of the display pixels so as to provide a stereoscopic image, the lens elements comprising an electro-optic material whose refractive index is switchable by selective application of an electric field between a first value that maintains the light output directing function and a second value that removes the light output directing function; and electrode arrangements provided above and below the lens elements for applying the electric field across the lens elements. At least one of the electrode arrangements comprises first and second electrode layers separated by a dielectric layer, and each electrode layer comprises a plurality of parallel elongate electrodes separated by gaps. The electrodes of each electrode layer are aligned with the gaps of the other electrode layer. In this way, the effect of the gaps on the electric field in the lens elements is reduced.
    • 一种可切换的自动立体显示装置,包括:具有用于产生显示的显示像素阵列的显示面板,所述显示像素以行和列排列; 布置在所述显示面板上方的用于引导所述显示像素的光输出以提供立体图像的透镜元件的阵列,所述透镜元件包括电光材料,所述电光材料的折射率可通过选择性地施加电场 保持光输出定向功能的第一值和去除光输出定向功能的第二值; 以及设置在透镜元件上方和下方的电极布置,用于跨越透镜元件施加电场。 电极装置中的至少一个包括由电介质层隔开的第一和第二电极层,并且每个电极层包括由间隙分开的多个平行细长电极。 每个电极层的电极与另一个电极层的间隙对准。 以这种方式,减小了间隙对透镜元件中的电场的影响。